[applauding] john: even john boehner applauded. not very enthusiastically, but he applauded the president saying a million electric vehicles will help us break our dependence on oil. that is a popular idea. after leonardo dicaprio is proud he owns one of these hybrid electric cars which can go 125 miles per hour. great. he can afford the $100,000 cost. so can justin bieber. george clooney bought this car for 100 grand but sold it back to the company. maybe because it only goes 30 miles before it needs to recharge. still, electric cars just appeal to people. they give off no emissions. that is why they're a great alternative to oil burning cars. so says brian wynne. part of the electric drive transportation association an electric car lobbying group. bjorn lomborg is back because he is skkptical. a dirty secret? what? >> john, they don't emit any co2 on the road, but once you produce them, they emit a lot of co2 because a lot of energy goes into the production, especially the battery. half of all the emissions coming out of the elec